@inproceedings{SIGMOD-2005-SrivastavaKZO,
	author        = "Rui Zhang and Nick Koudas and Beng Chin Ooi and Divesh Srivastava",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1066157.1066192",
	isbn          = "1-59593-060-4",
	pages         = "299--310",
	publisher     = "{ACM}",
	title         = "{Multiple Aggregations Over Data Streams}",
	year          = 2005,
}